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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Module Name: utglobal - Global variables for the ACPI subsystem | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
8 | * Copyright (C) 2000 - 2005, R. Byron Moore | |
9 | * All rights reserved. | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without | |
12 | * modification, are permitted provided that the following conditions | |
13 | * are met: | |
14 | * 1. Redistributions of source code must retain the above copyright | |
15 | * notice, this list of conditions, and the following disclaimer, | |
16 | * without modification. | |
17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
18 | * substantially similar to the "NO WARRANTY" disclaimer below | |
19 | * ("Disclaimer") and any redistribution must be conditioned upon | |
20 | * including a substantially similar Disclaimer requirement for further | |
21 | * binary redistribution. | |
22 | * 3. Neither the names of the above-listed copyright holders nor the names | |
23 | * of any contributors may be used to endorse or promote products derived | |
24 | * from this software without specific prior written permission. | |
25 | * | |
26 | * Alternatively, this software may be distributed under the terms of the | |
27 | * GNU General Public License ("GPL") version 2 as published by the Free | |
28 | * Software Foundation. | |
29 | * | |
30 | * NO WARRANTY | |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
41 | * POSSIBILITY OF SUCH DAMAGES. | |
42 | */ | |
43 | ||
44 | #define DEFINE_ACPI_GLOBALS | |
45 | ||
46 | #include <linux/module.h> | |
1da177e4 LT |
47 | #include <acpi/acpi.h> |
48 | #include <acpi/acnamesp.h> | |
49 | ||
50 | #define _COMPONENT ACPI_UTILITIES | |
4be44fcd | 51 | ACPI_MODULE_NAME("utglobal") |
1da177e4 | 52 | |
44f6c012 | 53 | /******************************************************************************* |
1da177e4 LT |
54 | * |
55 | * FUNCTION: acpi_format_exception | |
56 | * | |
57 | * PARAMETERS: Status - The acpi_status code to be formatted | |
58 | * | |
44f6c012 RM |
59 | * RETURN: A string containing the exception text. A valid pointer is |
60 | * always returned. | |
1da177e4 LT |
61 | * |
62 | * DESCRIPTION: This function translates an ACPI exception into an ASCII string. | |
63 | * | |
64 | ******************************************************************************/ | |
4be44fcd | 65 | const char *acpi_format_exception(acpi_status status) |
1da177e4 | 66 | { |
4be44fcd LB |
67 | acpi_status sub_status; |
68 | const char *exception = NULL; | |
1da177e4 | 69 | |
4be44fcd | 70 | ACPI_FUNCTION_NAME("format_exception"); |
1da177e4 LT |
71 | |
72 | sub_status = (status & ~AE_CODE_MASK); | |
73 | ||
74 | switch (status & AE_CODE_MASK) { | |
75 | case AE_CODE_ENVIRONMENTAL: | |
76 | ||
77 | if (sub_status <= AE_CODE_ENV_MAX) { | |
4be44fcd | 78 | exception = acpi_gbl_exception_names_env[sub_status]; |
1da177e4 | 79 | } |
44f6c012 | 80 | break; |
1da177e4 LT |
81 | |
82 | case AE_CODE_PROGRAMMER: | |
83 | ||
84 | if (sub_status <= AE_CODE_PGM_MAX) { | |
4be44fcd LB |
85 | exception = |
86 | acpi_gbl_exception_names_pgm[sub_status - 1]; | |
1da177e4 | 87 | } |
44f6c012 | 88 | break; |
1da177e4 LT |
89 | |
90 | case AE_CODE_ACPI_TABLES: | |
91 | ||
92 | if (sub_status <= AE_CODE_TBL_MAX) { | |
4be44fcd LB |
93 | exception = |
94 | acpi_gbl_exception_names_tbl[sub_status - 1]; | |
1da177e4 | 95 | } |
44f6c012 | 96 | break; |
1da177e4 LT |
97 | |
98 | case AE_CODE_AML: | |
99 | ||
100 | if (sub_status <= AE_CODE_AML_MAX) { | |
4be44fcd LB |
101 | exception = |
102 | acpi_gbl_exception_names_aml[sub_status - 1]; | |
1da177e4 | 103 | } |
44f6c012 | 104 | break; |
1da177e4 LT |
105 | |
106 | case AE_CODE_CONTROL: | |
107 | ||
108 | if (sub_status <= AE_CODE_CTRL_MAX) { | |
4be44fcd LB |
109 | exception = |
110 | acpi_gbl_exception_names_ctrl[sub_status - 1]; | |
1da177e4 | 111 | } |
44f6c012 | 112 | break; |
1da177e4 LT |
113 | |
114 | default: | |
44f6c012 | 115 | break; |
1da177e4 LT |
116 | } |
117 | ||
44f6c012 RM |
118 | if (!exception) { |
119 | /* Exception code was not recognized */ | |
1da177e4 | 120 | |
4be44fcd LB |
121 | ACPI_DEBUG_PRINT((ACPI_DB_ERROR, |
122 | "Unknown exception code: 0x%8.8X\n", status)); | |
1da177e4 | 123 | |
4be44fcd | 124 | return ((const char *)"UNKNOWN_STATUS_CODE"); |
44f6c012 | 125 | } |
1da177e4 | 126 | |
4be44fcd | 127 | return ((const char *)exception); |
1da177e4 LT |
128 | } |
129 | ||
44f6c012 | 130 | /******************************************************************************* |
1da177e4 LT |
131 | * |
132 | * Static global variable initialization. | |
133 | * | |
134 | ******************************************************************************/ | |
135 | ||
136 | /* | |
137 | * We want the debug switches statically initialized so they | |
138 | * are already set when the debugger is entered. | |
139 | */ | |
140 | ||
141 | /* Debug switch - level and trace mask */ | |
4be44fcd | 142 | u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT; |
1da177e4 LT |
143 | EXPORT_SYMBOL(acpi_dbg_level); |
144 | ||
145 | /* Debug switch - layer (component) mask */ | |
146 | ||
4be44fcd | 147 | u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS; |
1da177e4 | 148 | EXPORT_SYMBOL(acpi_dbg_layer); |
4be44fcd | 149 | u32 acpi_gbl_nesting_level = 0; |
1da177e4 LT |
150 | |
151 | /* Debugger globals */ | |
152 | ||
4be44fcd LB |
153 | u8 acpi_gbl_db_terminate_threads = FALSE; |
154 | u8 acpi_gbl_abort_method = FALSE; | |
155 | u8 acpi_gbl_method_executing = FALSE; | |
1da177e4 LT |
156 | |
157 | /* System flags */ | |
158 | ||
4be44fcd | 159 | u32 acpi_gbl_startup_flags = 0; |
1da177e4 LT |
160 | |
161 | /* System starts uninitialized */ | |
162 | ||
4be44fcd | 163 | u8 acpi_gbl_shutdown = TRUE; |
1da177e4 | 164 | |
4be44fcd | 165 | const u8 acpi_gbl_decode_to8bit[8] = { 1, 2, 4, 8, 16, 32, 64, 128 }; |
1da177e4 | 166 | |
4be44fcd | 167 | const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = { |
1da177e4 LT |
168 | "\\_S0_", |
169 | "\\_S1_", | |
170 | "\\_S2_", | |
171 | "\\_S3_", | |
172 | "\\_S4_", | |
173 | "\\_S5_" | |
174 | }; | |
175 | ||
4be44fcd | 176 | const char *acpi_gbl_highest_dstate_names[4] = { |
1da177e4 LT |
177 | "_S1D", |
178 | "_S2D", | |
179 | "_S3D", | |
180 | "_S4D" | |
181 | }; | |
182 | ||
183 | /* | |
184 | * Strings supported by the _OSI predefined (internal) method. | |
185 | * When adding strings, be sure to update ACPI_NUM_OSI_STRINGS. | |
186 | */ | |
4be44fcd | 187 | const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS] = { |
1da177e4 LT |
188 | /* Operating System Vendor Strings */ |
189 | ||
190 | "Linux", | |
191 | "Windows 2000", | |
192 | "Windows 2001", | |
193 | "Windows 2001.1", | |
194 | "Windows 2001 SP0", | |
195 | "Windows 2001 SP1", | |
196 | "Windows 2001 SP2", | |
197 | "Windows 2001 SP3", | |
198 | "Windows 2001 SP4", | |
199 | ||
200 | /* Feature Group Strings */ | |
201 | ||
202 | "Extended Address Space Descriptor" | |
203 | }; | |
204 | ||
44f6c012 | 205 | /******************************************************************************* |
1da177e4 LT |
206 | * |
207 | * Namespace globals | |
208 | * | |
209 | ******************************************************************************/ | |
210 | ||
1da177e4 LT |
211 | /* |
212 | * Predefined ACPI Names (Built-in to the Interpreter) | |
213 | * | |
214 | * NOTES: | |
215 | * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run | |
216 | * during the initialization sequence. | |
217 | * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to | |
218 | * perform a Notify() operation on it. | |
219 | */ | |
4be44fcd LB |
220 | const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = |
221 | { {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
222 | {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
223 | {"_SB_", ACPI_TYPE_DEVICE, NULL}, | |
224 | {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
225 | {"_TZ_", ACPI_TYPE_THERMAL, NULL}, | |
226 | {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL}, | |
227 | {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, | |
228 | {"_GL_", ACPI_TYPE_MUTEX, (char *)1}, | |
1da177e4 LT |
229 | |
230 | #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) | |
4be44fcd | 231 | {"_OSI", ACPI_TYPE_METHOD, (char *)1}, |
1da177e4 | 232 | #endif |
1da177e4 | 233 | |
44f6c012 RM |
234 | /* Table terminator */ |
235 | ||
4be44fcd | 236 | {NULL, ACPI_TYPE_ANY, NULL} |
44f6c012 | 237 | }; |
1da177e4 LT |
238 | |
239 | /* | |
240 | * Properties of the ACPI Object Types, both internal and external. | |
241 | * The table is indexed by values of acpi_object_type | |
242 | */ | |
4be44fcd LB |
243 | const u8 acpi_gbl_ns_properties[] = { |
244 | ACPI_NS_NORMAL, /* 00 Any */ | |
245 | ACPI_NS_NORMAL, /* 01 Number */ | |
246 | ACPI_NS_NORMAL, /* 02 String */ | |
247 | ACPI_NS_NORMAL, /* 03 Buffer */ | |
248 | ACPI_NS_NORMAL, /* 04 Package */ | |
249 | ACPI_NS_NORMAL, /* 05 field_unit */ | |
250 | ACPI_NS_NEWSCOPE, /* 06 Device */ | |
251 | ACPI_NS_NORMAL, /* 07 Event */ | |
252 | ACPI_NS_NEWSCOPE, /* 08 Method */ | |
253 | ACPI_NS_NORMAL, /* 09 Mutex */ | |
254 | ACPI_NS_NORMAL, /* 10 Region */ | |
255 | ACPI_NS_NEWSCOPE, /* 11 Power */ | |
256 | ACPI_NS_NEWSCOPE, /* 12 Processor */ | |
257 | ACPI_NS_NEWSCOPE, /* 13 Thermal */ | |
258 | ACPI_NS_NORMAL, /* 14 buffer_field */ | |
259 | ACPI_NS_NORMAL, /* 15 ddb_handle */ | |
260 | ACPI_NS_NORMAL, /* 16 Debug Object */ | |
261 | ACPI_NS_NORMAL, /* 17 def_field */ | |
262 | ACPI_NS_NORMAL, /* 18 bank_field */ | |
263 | ACPI_NS_NORMAL, /* 19 index_field */ | |
264 | ACPI_NS_NORMAL, /* 20 Reference */ | |
265 | ACPI_NS_NORMAL, /* 21 Alias */ | |
266 | ACPI_NS_NORMAL, /* 22 method_alias */ | |
267 | ACPI_NS_NORMAL, /* 23 Notify */ | |
268 | ACPI_NS_NORMAL, /* 24 Address Handler */ | |
269 | ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */ | |
270 | ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */ | |
271 | ACPI_NS_NEWSCOPE, /* 27 Scope */ | |
272 | ACPI_NS_NORMAL, /* 28 Extra */ | |
273 | ACPI_NS_NORMAL, /* 29 Data */ | |
274 | ACPI_NS_NORMAL /* 30 Invalid */ | |
1da177e4 LT |
275 | }; |
276 | ||
1da177e4 LT |
277 | /* Hex to ASCII conversion table */ |
278 | ||
4be44fcd LB |
279 | static const char acpi_gbl_hex_to_ascii[] = { |
280 | '0', '1', '2', '3', '4', '5', '6', '7', | |
281 | '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' | |
44f6c012 RM |
282 | }; |
283 | ||
44f6c012 | 284 | /******************************************************************************* |
1da177e4 LT |
285 | * |
286 | * FUNCTION: acpi_ut_hex_to_ascii_char | |
287 | * | |
288 | * PARAMETERS: Integer - Contains the hex digit | |
289 | * Position - bit position of the digit within the | |
44f6c012 | 290 | * integer (multiple of 4) |
1da177e4 | 291 | * |
44f6c012 | 292 | * RETURN: The converted Ascii character |
1da177e4 | 293 | * |
44f6c012 | 294 | * DESCRIPTION: Convert a hex digit to an Ascii character |
1da177e4 | 295 | * |
44f6c012 | 296 | ******************************************************************************/ |
1da177e4 | 297 | |
4be44fcd | 298 | char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position) |
1da177e4 LT |
299 | { |
300 | ||
301 | return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]); | |
302 | } | |
303 | ||
44f6c012 | 304 | /******************************************************************************* |
1da177e4 LT |
305 | * |
306 | * Table name globals | |
307 | * | |
308 | * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes. | |
309 | * it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables | |
310 | * that are not used by the subsystem are simply ignored. | |
311 | * | |
312 | * Do NOT add any table to this list that is not consumed directly by this | |
44f6c012 | 313 | * subsystem (No MADT, ECDT, SBST, etc.) |
1da177e4 LT |
314 | * |
315 | ******************************************************************************/ | |
316 | ||
4be44fcd | 317 | struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES]; |
1da177e4 | 318 | |
4be44fcd | 319 | struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES] = { |
1da177e4 LT |
320 | /*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */ |
321 | ||
4be44fcd LB |
322 | /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof(RSDP_SIG) - 1, |
323 | ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE} | |
324 | , | |
325 | /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *)&acpi_gbl_DSDT, | |
326 | sizeof(DSDT_SIG) - 1, | |
327 | ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE | | |
328 | ACPI_TABLE_EXECUTABLE} | |
329 | , | |
330 | /* FADT 2 */ {FADT_SIG, FADT_SIG, (void *)&acpi_gbl_FADT, | |
331 | sizeof(FADT_SIG) - 1, | |
332 | ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE} | |
333 | , | |
334 | /* FACS 3 */ {FACS_SIG, FACS_SIG, (void *)&acpi_gbl_FACS, | |
335 | sizeof(FACS_SIG) - 1, | |
336 | ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE} | |
337 | , | |
338 | /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof(PSDT_SIG) - 1, | |
339 | ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | | |
340 | ACPI_TABLE_EXECUTABLE} | |
341 | , | |
342 | /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof(SSDT_SIG) - 1, | |
343 | ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | | |
344 | ACPI_TABLE_EXECUTABLE} | |
345 | , | |
346 | /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof(RSDT_SIG) - 1, | |
347 | ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE} | |
348 | , | |
1da177e4 LT |
349 | }; |
350 | ||
1da177e4 LT |
351 | /****************************************************************************** |
352 | * | |
353 | * Event and Hardware globals | |
354 | * | |
355 | ******************************************************************************/ | |
356 | ||
4be44fcd | 357 | struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = { |
1da177e4 LT |
358 | /* Name Parent Register Register Bit Position Register Bit Mask */ |
359 | ||
4be44fcd LB |
360 | /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, |
361 | ACPI_BITPOSITION_TIMER_STATUS, | |
362 | ACPI_BITMASK_TIMER_STATUS}, | |
363 | /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
364 | ACPI_BITPOSITION_BUS_MASTER_STATUS, | |
365 | ACPI_BITMASK_BUS_MASTER_STATUS}, | |
366 | /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
367 | ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, | |
368 | ACPI_BITMASK_GLOBAL_LOCK_STATUS}, | |
369 | /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
370 | ACPI_BITPOSITION_POWER_BUTTON_STATUS, | |
371 | ACPI_BITMASK_POWER_BUTTON_STATUS}, | |
372 | /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
373 | ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, | |
374 | ACPI_BITMASK_SLEEP_BUTTON_STATUS}, | |
375 | /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
376 | ACPI_BITPOSITION_RT_CLOCK_STATUS, | |
377 | ACPI_BITMASK_RT_CLOCK_STATUS}, | |
378 | /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
379 | ACPI_BITPOSITION_WAKE_STATUS, | |
380 | ACPI_BITMASK_WAKE_STATUS}, | |
381 | /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
382 | ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, | |
383 | ACPI_BITMASK_PCIEXP_WAKE_STATUS}, | |
384 | ||
385 | /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
386 | ACPI_BITPOSITION_TIMER_ENABLE, | |
387 | ACPI_BITMASK_TIMER_ENABLE}, | |
388 | /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
389 | ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, | |
390 | ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, | |
391 | /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
392 | ACPI_BITPOSITION_POWER_BUTTON_ENABLE, | |
393 | ACPI_BITMASK_POWER_BUTTON_ENABLE}, | |
394 | /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
395 | ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, | |
396 | ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, | |
397 | /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
398 | ACPI_BITPOSITION_RT_CLOCK_ENABLE, | |
399 | ACPI_BITMASK_RT_CLOCK_ENABLE}, | |
400 | /* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0}, | |
401 | /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
402 | ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, | |
403 | ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, | |
404 | ||
405 | /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, | |
406 | ACPI_BITPOSITION_SCI_ENABLE, | |
407 | ACPI_BITMASK_SCI_ENABLE}, | |
408 | /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, | |
409 | ACPI_BITPOSITION_BUS_MASTER_RLD, | |
410 | ACPI_BITMASK_BUS_MASTER_RLD}, | |
411 | /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, | |
412 | ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, | |
413 | ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, | |
414 | /* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, | |
415 | ACPI_BITPOSITION_SLEEP_TYPE_X, | |
416 | ACPI_BITMASK_SLEEP_TYPE_X}, | |
417 | /* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, | |
418 | ACPI_BITPOSITION_SLEEP_TYPE_X, | |
419 | ACPI_BITMASK_SLEEP_TYPE_X}, | |
420 | /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, | |
421 | ACPI_BITPOSITION_SLEEP_ENABLE, | |
422 | ACPI_BITMASK_SLEEP_ENABLE}, | |
423 | ||
424 | /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, | |
425 | ACPI_BITPOSITION_ARB_DISABLE, | |
426 | ACPI_BITMASK_ARB_DISABLE} | |
1da177e4 LT |
427 | }; |
428 | ||
4be44fcd LB |
429 | struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = { |
430 | /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, | |
431 | ACPI_BITREG_TIMER_ENABLE, | |
432 | ACPI_BITMASK_TIMER_STATUS, | |
433 | ACPI_BITMASK_TIMER_ENABLE}, | |
434 | /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, | |
435 | ACPI_BITREG_GLOBAL_LOCK_ENABLE, | |
436 | ACPI_BITMASK_GLOBAL_LOCK_STATUS, | |
437 | ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, | |
438 | /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, | |
439 | ACPI_BITREG_POWER_BUTTON_ENABLE, | |
440 | ACPI_BITMASK_POWER_BUTTON_STATUS, | |
441 | ACPI_BITMASK_POWER_BUTTON_ENABLE}, | |
442 | /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, | |
443 | ACPI_BITREG_SLEEP_BUTTON_ENABLE, | |
444 | ACPI_BITMASK_SLEEP_BUTTON_STATUS, | |
445 | ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, | |
446 | /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, | |
447 | ACPI_BITREG_RT_CLOCK_ENABLE, | |
448 | ACPI_BITMASK_RT_CLOCK_STATUS, | |
449 | ACPI_BITMASK_RT_CLOCK_ENABLE}, | |
1da177e4 LT |
450 | }; |
451 | ||
44f6c012 | 452 | /******************************************************************************* |
1da177e4 LT |
453 | * |
454 | * FUNCTION: acpi_ut_get_region_name | |
455 | * | |
456 | * PARAMETERS: None. | |
457 | * | |
458 | * RETURN: Status | |
459 | * | |
460 | * DESCRIPTION: Translate a Space ID into a name string (Debug only) | |
461 | * | |
44f6c012 | 462 | ******************************************************************************/ |
1da177e4 LT |
463 | |
464 | /* Region type decoding */ | |
465 | ||
4be44fcd | 466 | const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { |
1da177e4 LT |
467 | /*! [Begin] no source code translation (keep these ASL Keywords as-is) */ |
468 | "SystemMemory", | |
469 | "SystemIO", | |
470 | "PCI_Config", | |
471 | "EmbeddedControl", | |
472 | "SMBus", | |
473 | "CMOS", | |
474 | "PCIBARTarget", | |
475 | "DataTable" | |
476 | /*! [End] no source code translation !*/ | |
477 | }; | |
478 | ||
4be44fcd | 479 | char *acpi_ut_get_region_name(u8 space_id) |
1da177e4 LT |
480 | { |
481 | ||
4be44fcd | 482 | if (space_id >= ACPI_USER_REGION_BEGIN) { |
1da177e4 | 483 | return ("user_defined_region"); |
4be44fcd | 484 | } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) { |
1da177e4 LT |
485 | return ("invalid_space_id"); |
486 | } | |
487 | ||
4be44fcd | 488 | return ((char *)acpi_gbl_region_types[space_id]); |
1da177e4 LT |
489 | } |
490 | ||
44f6c012 | 491 | /******************************************************************************* |
1da177e4 LT |
492 | * |
493 | * FUNCTION: acpi_ut_get_event_name | |
494 | * | |
495 | * PARAMETERS: None. | |
496 | * | |
497 | * RETURN: Status | |
498 | * | |
499 | * DESCRIPTION: Translate a Event ID into a name string (Debug only) | |
500 | * | |
44f6c012 | 501 | ******************************************************************************/ |
1da177e4 LT |
502 | |
503 | /* Event type decoding */ | |
504 | ||
4be44fcd | 505 | static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = { |
1da177e4 LT |
506 | "PM_Timer", |
507 | "global_lock", | |
508 | "power_button", | |
509 | "sleep_button", | |
510 | "real_time_clock", | |
511 | }; | |
512 | ||
4be44fcd | 513 | char *acpi_ut_get_event_name(u32 event_id) |
1da177e4 LT |
514 | { |
515 | ||
4be44fcd | 516 | if (event_id > ACPI_EVENT_MAX) { |
1da177e4 LT |
517 | return ("invalid_event_iD"); |
518 | } | |
519 | ||
4be44fcd | 520 | return ((char *)acpi_gbl_event_types[event_id]); |
1da177e4 LT |
521 | } |
522 | ||
44f6c012 | 523 | /******************************************************************************* |
1da177e4 LT |
524 | * |
525 | * FUNCTION: acpi_ut_get_type_name | |
526 | * | |
527 | * PARAMETERS: None. | |
528 | * | |
529 | * RETURN: Status | |
530 | * | |
531 | * DESCRIPTION: Translate a Type ID into a name string (Debug only) | |
532 | * | |
44f6c012 | 533 | ******************************************************************************/ |
1da177e4 LT |
534 | |
535 | /* | |
536 | * Elements of acpi_gbl_ns_type_names below must match | |
537 | * one-to-one with values of acpi_object_type | |
538 | * | |
44f6c012 RM |
539 | * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; |
540 | * when stored in a table it really means that we have thus far seen no | |
541 | * evidence to indicate what type is actually going to be stored for this entry. | |
1da177e4 | 542 | */ |
4be44fcd | 543 | static const char acpi_gbl_bad_type[] = "UNDEFINED"; |
1da177e4 | 544 | |
44f6c012 RM |
545 | /* Printable names of the ACPI object types */ |
546 | ||
4be44fcd | 547 | static const char *acpi_gbl_ns_type_names[] = { |
1da177e4 LT |
548 | /* 00 */ "Untyped", |
549 | /* 01 */ "Integer", | |
550 | /* 02 */ "String", | |
551 | /* 03 */ "Buffer", | |
552 | /* 04 */ "Package", | |
553 | /* 05 */ "field_unit", | |
554 | /* 06 */ "Device", | |
555 | /* 07 */ "Event", | |
556 | /* 08 */ "Method", | |
557 | /* 09 */ "Mutex", | |
558 | /* 10 */ "Region", | |
559 | /* 11 */ "Power", | |
560 | /* 12 */ "Processor", | |
561 | /* 13 */ "Thermal", | |
562 | /* 14 */ "buffer_field", | |
563 | /* 15 */ "ddb_handle", | |
564 | /* 16 */ "debug_object", | |
565 | /* 17 */ "region_field", | |
566 | /* 18 */ "bank_field", | |
567 | /* 19 */ "index_field", | |
568 | /* 20 */ "Reference", | |
569 | /* 21 */ "Alias", | |
570 | /* 22 */ "method_alias", | |
571 | /* 23 */ "Notify", | |
572 | /* 24 */ "addr_handler", | |
573 | /* 25 */ "resource_desc", | |
574 | /* 26 */ "resource_fld", | |
575 | /* 27 */ "Scope", | |
576 | /* 28 */ "Extra", | |
577 | /* 29 */ "Data", | |
578 | /* 30 */ "Invalid" | |
579 | }; | |
580 | ||
4be44fcd | 581 | char *acpi_ut_get_type_name(acpi_object_type type) |
1da177e4 LT |
582 | { |
583 | ||
4be44fcd LB |
584 | if (type > ACPI_TYPE_INVALID) { |
585 | return ((char *)acpi_gbl_bad_type); | |
1da177e4 LT |
586 | } |
587 | ||
4be44fcd | 588 | return ((char *)acpi_gbl_ns_type_names[type]); |
1da177e4 LT |
589 | } |
590 | ||
4be44fcd | 591 | char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc) |
1da177e4 LT |
592 | { |
593 | ||
4be44fcd | 594 | if (!obj_desc) { |
1da177e4 LT |
595 | return ("[NULL Object Descriptor]"); |
596 | } | |
597 | ||
4be44fcd | 598 | return (acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc))); |
1da177e4 LT |
599 | } |
600 | ||
44f6c012 | 601 | /******************************************************************************* |
1da177e4 LT |
602 | * |
603 | * FUNCTION: acpi_ut_get_node_name | |
604 | * | |
605 | * PARAMETERS: Object - A namespace node | |
606 | * | |
607 | * RETURN: Pointer to a string | |
608 | * | |
609 | * DESCRIPTION: Validate the node and return the node's ACPI name. | |
610 | * | |
44f6c012 | 611 | ******************************************************************************/ |
1da177e4 | 612 | |
4be44fcd | 613 | char *acpi_ut_get_node_name(void *object) |
1da177e4 | 614 | { |
4be44fcd | 615 | struct acpi_namespace_node *node = (struct acpi_namespace_node *)object; |
1da177e4 LT |
616 | |
617 | /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ | |
618 | ||
4be44fcd | 619 | if (!object) { |
1da177e4 LT |
620 | return ("NULL"); |
621 | } | |
622 | ||
623 | /* Check for Root node */ | |
624 | ||
4be44fcd | 625 | if ((object == ACPI_ROOT_OBJECT) || (object == acpi_gbl_root_node)) { |
1da177e4 LT |
626 | return ("\"\\\" "); |
627 | } | |
628 | ||
629 | /* Descriptor must be a namespace node */ | |
630 | ||
4be44fcd | 631 | if (node->descriptor != ACPI_DESC_TYPE_NAMED) { |
1da177e4 LT |
632 | return ("####"); |
633 | } | |
634 | ||
635 | /* Name must be a valid ACPI name */ | |
636 | ||
4be44fcd | 637 | if (!acpi_ut_valid_acpi_name(*(u32 *) node->name.ascii)) { |
1da177e4 LT |
638 | return ("????"); |
639 | } | |
640 | ||
641 | /* Return the name */ | |
642 | ||
643 | return (node->name.ascii); | |
644 | } | |
645 | ||
44f6c012 | 646 | /******************************************************************************* |
1da177e4 LT |
647 | * |
648 | * FUNCTION: acpi_ut_get_descriptor_name | |
649 | * | |
650 | * PARAMETERS: Object - An ACPI object | |
651 | * | |
652 | * RETURN: Pointer to a string | |
653 | * | |
654 | * DESCRIPTION: Validate object and return the descriptor type | |
655 | * | |
44f6c012 RM |
656 | ******************************************************************************/ |
657 | ||
658 | /* Printable names of object descriptor types */ | |
1da177e4 | 659 | |
4be44fcd | 660 | static const char *acpi_gbl_desc_type_names[] = { |
1da177e4 LT |
661 | /* 00 */ "Invalid", |
662 | /* 01 */ "Cached", | |
663 | /* 02 */ "State-Generic", | |
664 | /* 03 */ "State-Update", | |
665 | /* 04 */ "State-Package", | |
666 | /* 05 */ "State-Control", | |
667 | /* 06 */ "State-root_parse_scope", | |
668 | /* 07 */ "State-parse_scope", | |
669 | /* 08 */ "State-walk_scope", | |
670 | /* 09 */ "State-Result", | |
671 | /* 10 */ "State-Notify", | |
672 | /* 11 */ "State-Thread", | |
673 | /* 12 */ "Walk", | |
674 | /* 13 */ "Parser", | |
675 | /* 14 */ "Operand", | |
676 | /* 15 */ "Node" | |
677 | }; | |
678 | ||
4be44fcd | 679 | char *acpi_ut_get_descriptor_name(void *object) |
1da177e4 LT |
680 | { |
681 | ||
4be44fcd | 682 | if (!object) { |
1da177e4 LT |
683 | return ("NULL OBJECT"); |
684 | } | |
685 | ||
4be44fcd LB |
686 | if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) { |
687 | return ((char *)acpi_gbl_bad_type); | |
1da177e4 LT |
688 | } |
689 | ||
4be44fcd LB |
690 | return ((char *) |
691 | acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE(object)]); | |
1da177e4 LT |
692 | |
693 | } | |
694 | ||
1da177e4 LT |
695 | #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) |
696 | /* | |
697 | * Strings and procedures used for debug only | |
698 | */ | |
699 | ||
44f6c012 | 700 | /******************************************************************************* |
1da177e4 LT |
701 | * |
702 | * FUNCTION: acpi_ut_get_mutex_name | |
703 | * | |
44f6c012 | 704 | * PARAMETERS: mutex_id - The predefined ID for this mutex. |
1da177e4 | 705 | * |
44f6c012 RM |
706 | * RETURN: String containing the name of the mutex. Always returns a valid |
707 | * pointer. | |
1da177e4 LT |
708 | * |
709 | * DESCRIPTION: Translate a mutex ID into a name string (Debug only) | |
710 | * | |
44f6c012 | 711 | ******************************************************************************/ |
1da177e4 | 712 | |
4be44fcd | 713 | char *acpi_ut_get_mutex_name(u32 mutex_id) |
1da177e4 LT |
714 | { |
715 | ||
4be44fcd | 716 | if (mutex_id > MAX_MUTEX) { |
1da177e4 LT |
717 | return ("Invalid Mutex ID"); |
718 | } | |
719 | ||
720 | return (acpi_gbl_mutex_names[mutex_id]); | |
721 | } | |
1da177e4 LT |
722 | #endif |
723 | ||
44f6c012 | 724 | /******************************************************************************* |
1da177e4 LT |
725 | * |
726 | * FUNCTION: acpi_ut_valid_object_type | |
727 | * | |
728 | * PARAMETERS: Type - Object type to be validated | |
729 | * | |
44f6c012 | 730 | * RETURN: TRUE if valid object type, FALSE otherwise |
1da177e4 LT |
731 | * |
732 | * DESCRIPTION: Validate an object type | |
733 | * | |
44f6c012 | 734 | ******************************************************************************/ |
1da177e4 | 735 | |
4be44fcd | 736 | u8 acpi_ut_valid_object_type(acpi_object_type type) |
1da177e4 LT |
737 | { |
738 | ||
4be44fcd | 739 | if (type > ACPI_TYPE_LOCAL_MAX) { |
1da177e4 LT |
740 | /* Note: Assumes all TYPEs are contiguous (external/local) */ |
741 | ||
742 | return (FALSE); | |
743 | } | |
744 | ||
745 | return (TRUE); | |
746 | } | |
747 | ||
44f6c012 | 748 | /******************************************************************************* |
1da177e4 LT |
749 | * |
750 | * FUNCTION: acpi_ut_init_globals | |
751 | * | |
44f6c012 RM |
752 | * PARAMETERS: None |
753 | * | |
754 | * RETURN: None | |
1da177e4 LT |
755 | * |
756 | * DESCRIPTION: Init library globals. All globals that require specific | |
757 | * initialization should be initialized here! | |
758 | * | |
44f6c012 | 759 | ******************************************************************************/ |
1da177e4 | 760 | |
4be44fcd | 761 | void acpi_ut_init_globals(void) |
1da177e4 | 762 | { |
4be44fcd LB |
763 | acpi_status status; |
764 | u32 i; | |
1da177e4 | 765 | |
4be44fcd | 766 | ACPI_FUNCTION_TRACE("ut_init_globals"); |
1da177e4 | 767 | |
73459f73 RM |
768 | /* Create all memory caches */ |
769 | ||
4be44fcd LB |
770 | status = acpi_ut_create_caches(); |
771 | if (ACPI_FAILURE(status)) { | |
73459f73 RM |
772 | return; |
773 | } | |
1da177e4 LT |
774 | |
775 | /* ACPI table structure */ | |
776 | ||
4be44fcd LB |
777 | for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) { |
778 | acpi_gbl_table_lists[i].next = NULL; | |
779 | acpi_gbl_table_lists[i].count = 0; | |
1da177e4 LT |
780 | } |
781 | ||
782 | /* Mutex locked flags */ | |
783 | ||
4be44fcd LB |
784 | for (i = 0; i < NUM_MUTEX; i++) { |
785 | acpi_gbl_mutex_info[i].mutex = NULL; | |
786 | acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED; | |
787 | acpi_gbl_mutex_info[i].use_count = 0; | |
1da177e4 LT |
788 | } |
789 | ||
790 | /* GPE support */ | |
791 | ||
4be44fcd LB |
792 | acpi_gbl_gpe_xrupt_list_head = NULL; |
793 | acpi_gbl_gpe_fadt_blocks[0] = NULL; | |
794 | acpi_gbl_gpe_fadt_blocks[1] = NULL; | |
1da177e4 LT |
795 | |
796 | /* Global notify handlers */ | |
797 | ||
4be44fcd LB |
798 | acpi_gbl_system_notify.handler = NULL; |
799 | acpi_gbl_device_notify.handler = NULL; | |
800 | acpi_gbl_exception_handler = NULL; | |
801 | acpi_gbl_init_handler = NULL; | |
1da177e4 LT |
802 | |
803 | /* Global "typed" ACPI table pointers */ | |
804 | ||
4be44fcd LB |
805 | acpi_gbl_RSDP = NULL; |
806 | acpi_gbl_XSDT = NULL; | |
807 | acpi_gbl_FACS = NULL; | |
808 | acpi_gbl_FADT = NULL; | |
809 | acpi_gbl_DSDT = NULL; | |
1da177e4 LT |
810 | |
811 | /* Global Lock support */ | |
812 | ||
4be44fcd LB |
813 | acpi_gbl_global_lock_acquired = FALSE; |
814 | acpi_gbl_global_lock_thread_count = 0; | |
815 | acpi_gbl_global_lock_handle = 0; | |
1da177e4 LT |
816 | |
817 | /* Miscellaneous variables */ | |
818 | ||
4be44fcd LB |
819 | acpi_gbl_table_flags = ACPI_PHYSICAL_POINTER; |
820 | acpi_gbl_rsdp_original_location = 0; | |
821 | acpi_gbl_cm_single_step = FALSE; | |
822 | acpi_gbl_db_terminate_threads = FALSE; | |
823 | acpi_gbl_shutdown = FALSE; | |
824 | acpi_gbl_ns_lookup_count = 0; | |
825 | acpi_gbl_ps_find_count = 0; | |
826 | acpi_gbl_acpi_hardware_present = TRUE; | |
827 | acpi_gbl_owner_id_mask = 0; | |
828 | acpi_gbl_debugger_configuration = DEBUGGER_THREADING; | |
829 | acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT; | |
1da177e4 LT |
830 | |
831 | /* Hardware oriented */ | |
832 | ||
4be44fcd LB |
833 | acpi_gbl_events_initialized = FALSE; |
834 | acpi_gbl_system_awake_and_running = TRUE; | |
1da177e4 LT |
835 | |
836 | /* Namespace */ | |
837 | ||
4be44fcd | 838 | acpi_gbl_root_node = NULL; |
1da177e4 LT |
839 | |
840 | acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; | |
841 | acpi_gbl_root_node_struct.descriptor = ACPI_DESC_TYPE_NAMED; | |
4be44fcd LB |
842 | acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; |
843 | acpi_gbl_root_node_struct.child = NULL; | |
844 | acpi_gbl_root_node_struct.peer = NULL; | |
845 | acpi_gbl_root_node_struct.object = NULL; | |
846 | acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST; | |
1da177e4 LT |
847 | |
848 | #ifdef ACPI_DEBUG_OUTPUT | |
4be44fcd | 849 | acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX; |
1da177e4 LT |
850 | #endif |
851 | ||
852 | return_VOID; | |
853 | } |